81439215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37967}}^1$

素因数の和:37999

約数の個数: 32

約数和(自身を含む): 153086976

約数和(自身を除く): 71647761

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 37967, 113901, 189835, 417637, 493571, 569505, 1252911, 1480713, 2088185, 2467855, 5429281, 6264555, 7403565, 16287843, 27146405, 81439215]

約数ペア:

[(1, 81439215), (3, 27146405), (5, 16287843), (11, 7403565), (13, 6264555), (15, 5429281), (33, 2467855), (39, 2088185), (55, 1480713), (65, 1252911), (143, 569505), (165, 493571), (195, 417637), (429, 189835), (715, 113901), (2145, 37967)]